blob: 4510178702bccb0f60835cdb3af14c7542d61222 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* The Rin Library – floating point module
*
* Copyright (C) 2015 Gediminas Jakutis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; version 2.1
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef LIBRIN_FLOAT_TYPES_INCLUDED
#define LIBRIN_FLOAT_TYPES_INCLUDED
/* These rin_vec[num] types mostly mimic the analogous types found in OpenGL
* with other existing libraries get noticed.
*
* rin_vecd[num] use double instead of float, but are otherwise identical to rin_vec[num].
*/
struct rin_vec2 {
union {
struct {
float x;
float y;
};
struct {
float r;
float g;
};
struct {
float s;
float t;
};
};
};
struct rin_vec3 {
union {
struct {
float x;
float y;
float z;
};
struct {
float r;
float g;
float b;
};
struct {
float s;
float t;
float p;
};
};
};
struct rin_vec4 {
union {
struct {
float x;
float y;
float z;
float w;
};
struct {
float r;
float g;
float b;
float a;
};
struct {
float s;
float t;
float p;
float q;
};
};
};
struct rin_vec2d {
union {
struct {
double x;
double y;
};
struct {
double r;
double g;
};
struct {
double s;
double t;
};
};
};
struct rin_vec3d {
union {
struct {
double x;
double y;
double z;
};
struct {
double r;
double g;
double b;
};
struct {
double s;
double t;
double p;
};
};
};
struct rin_vec4d {
union {
struct {
double x;
double y;
double z;
double w;
};
struct {
double r;
double g;
double b;
double a;
};
struct {
double s;
double t;
double p;
double q;
};
};
};
/* A simple 3D vertex with position and normal data. */
struct vertex {
struct rin_vec3 position;
struct rin_vec3 normal;
};
#endif /* LIBRIN_FLOAT_TYPES_INCLUDED */
|
